{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["machine or equipment", "manufacturing standard", "process parameter", "engineering feature", "concept or principle", "enabling technology"], "input": "4043 AlSi alloy samples are fabricated by laser-arc hybrid additive manufacturing and wire arc additive manufacturing ."}
{"machine or equipment": [], "manufacturing standard": [], "process parameter": [], "engineering feature": [], "concept or principle": ["fabricated"], "enabling technology": []}